DESCRIPTION 2008 Fontaine Stepdeck Trailer (NJP415), 51 ft, tandem axle, air ride suspension, 255/70R/22.5 tires. Serial Number: 13N2512A481545674 Notes: Extra toolbox on deck, plus two more available, to help with repairs on current ones on trailer. Two tires on deck to help with 2 worn tires on trailer. Extra wood on deck for any repairs. All maintenance has been done at Fleet Master Truck and Trailer repair.